Today I set up my brand new MacBook Pro, which I did by using Migration Assistant from my old Macbook (late 2007 model.) After making sure that everything was back to how I liked it, and all my settings were perfect, I have begun to notice I very annoying pattern. At random intervals (usually 5 to 10 minutes) my entire OS will simply freeze. My cursor is able to move, and send mouse-down events, but the WindowServer and other applications will not respond to the actions until the OS has become unfrozen. It comes back to life consistently after about 10 seconds. The way that I usually notice the freezing is that iTunes immediately stops playing. I am usually quite knowledgeable about my Mac, and yet I am currently completely stumped. Please, be as complex as you like in your possible answers: I'm willing to try just about anything. Here are the possible solutions I've already tried: -Repair Permissions -Full cleans/maintenance runs using the following programs: a. OnyX b. xMod c. Cocktail d. DiskWarrior -Resetting PRAM -Restarting the computer multiple times -Apple Service Diagnostics -Archive and Install -Toggling of all plugins (APE, PlugSuit, SIMBL) Does anyone have any ideas left for me?